помоги изменить предложение в:Pr.S,Pr.C,Future,Past.S Mr.Simson (to send) a letter to his friend.

Mr. Simson sent a letter to his friend (Past Simple)

Mr. Simson sends a letter to his friend (Present Simple)

Mr. Simson will send a letter to his friend (Future Simple)

Mr. Simson is sending a letter to his friend (Present Conti.)

Mr. Simpson sends a letter... (Pr.S.)

Mr. Simpson is sending a letter... (Pr.C.)

Mr. Simpson will send a letter... (Future Simple)

Mr. Simpson sent a letter... (P. S.)